# -*- coding: utf-8 -*-
import scrapy
import re
from copy import deepcopy

class BilianSpider(scrapy.Spider):
    name = 'bilian'
    allowed_domains = ['ebnew','ss.ebnew.com']

    keyword_s = ['路由器','变压器']

    # 存储的数据格式
    sql_data = dict(
        projectcode='',  # 项目编号
        web='',  # 信息来源网站
        keyword='',  # 关键字
        detail_url='',  # 招标详细页网址
        title='',  # 第三方网站发布标题
        toptype='',  # 信息类型
        province='',  # 归属省份
        product='',  # 产品范畴
        industry='',  # 归属行业
        tendering_manner='',  # 招标方式
        publicity_date='',  # 招标公示日期
        expiry_date='',  # 招标截止时间
    )

    # Form表单的数据格式
    form_data = dict(
        infoClassCodes='',
        rangeType='',
        projectType='bid',
        fundSourceCodes='',
        dateType='',
        startDateCode='',
        endDateCode='',
        normIndustry='',
        normIndustryName='',
        zone='',
        zoneName='',
        zoneText='',
        key='',  # 搜索的关键字
        pubDateType='',
        pubDateBegin='',
        pubDateEnd='',
        sortMethod='timeDesc',
        orgName='',
        currentPage='',  # 当前页码
    )
    # start_requests可以跳过allowed_domains的限制
    def start_requests(self):
        for keyword in self.keyword_s:
            form_data = deepcopy(self.form_data)
            form_data['key'] = keyword
            form_data['currentPage'] = '1'
            request = scrapy.FormRequest(
                url='http://ss.ebnew.com/tradingSearch/index.htm',
                formdata=form_data,
                callback=self.parse_start,
            )
            request.meta['form_data'] = form_data
            yield request
        # form_data = self.form_data
        # form_data['key'] = '路由器'
        # form_data['currentPage'] = '2'
        # yield scrapy.FormRequest(
        #     url='http://ss.ebnew.com/tradingSearch/index.htm',
        #     formdata=form_data,
        #     callback=self.parse_page1,
        # )
        # yield scrapy.Request(
        #     url='http://www.ebnew.com/businessShow/637719688.html',
        #     callback=self.parse_page2,
        # )

    def parse_start(self,response):
        page_s = response.xpath('//form[@id="pagerSubmitForm"]/a/text()').extract()
        # 拿到最大的页码数
        max_page = max([int(page) for page in page_s if re.match('\d+',page)])
        print(max_page)
        self.parse_page1(response)
        form_data = deepcopy(response.meta['form_data'])
        max_page = 2
        for page in range(2,max_page):
            form_data['currentPage'] = str(page)
            request = scrapy.FormRequest(
                url='http://ss.ebnew.com/tradingSearch/index.htm',
                fromdata=form_data,
                callback=self.parse_page1,
            )
            yield request

    def parse_page1(self, response):
        # with open('2.html','wb') as f:
        #     f.write(response.body)
        form_data = response.meta['form_data']
        keyword = form_data.get('key')
        content_list_x_s = response.xpath('//div[@class="ebnew-content-list"]/div')
        for content_list_x in content_list_x_s:
            sql_data = deepcopy(self.sql_data)
            sql_data['toptype'] = content_list_x.xpath('./div[1]/i[1]/text()').extract_first()
            sql_data['title'] = content_list_x.xpath('./div[1]/a/text()').extract_first()
            sql_data['publicity_date'] = content_list_x.xpath('./div[1]/i[2]/text()').extract_first()
            if sql_data['publicity_date']:
                sql_data['publicity_date'] = re.sub('[^0-9\-]','',sql_data['publicity_date'])
            sql_data['tendering_manner'] = content_list_x.xpath('./div[2]/div[1]/p[1]/span[2]/text()').extract_first()
            sql_data['product'] = content_list_x.xpath('./div[2]/div[1]/p[2]/span[2]/text()').extract_first()
            sql_data['expiry_date'] = content_list_x.xpath('./div[2]/div[2]/p[1]/span[2]/text()').extract_first()
            sql_data['province'] = content_list_x.xpath('./div[2]/div[2]/p[2]/span[2]/text()').extract_first()
            sql_data['detail_url'] = content_list_x.xpath('./div[1]/a/@href').extract_first()
            sql_data['keyword'] = keyword
            sql_data['web'] = '必联网'
            # print(toptype,title,publicity_date,tendering_manner,product,expiry_date,province)
            request = scrapy.FormRequest(
                url=sql_data['detail_url'],
                callback=self.parse_page2,
            )
            request.meta['sql_data'] = sql_data
            yield request

    def parse_page2(self,response):
        sql_data = response.meta['sql_data']
        # li_x_s = response.xpath('//ul[contains(@class,"ebnew-project-information")]/li')
        # sql_data['projectcode'] = li_x_s[0].xpath('./span[2]/text()').extract_first()
        # sql_data['industry'] = li_x_s[7].xpath('./span[2]/text()').extract_first()
        sql_data['projectcode'] = response.xpath('/ul[contains(@class,"ebnew-project-information")]/li[1]/span[2]/text()').extract_first()
        sql_data['industry'] = response.xpath('/ul[contains(@class,"ebnew-project-information")]/li[8]/span[2]/text()').extract_first()
        if not sql_data['projectcode']:
            projectcode_find = re.findall('项目编号[:：]{0,1}\s*([a-zA-Z0-9\-_]{10,80})',response.body.decode('utf-8'),)
            sql_data['projectcode'] = projectcode_find[0] if projectcode_find else ""
        # print(sql_data)
        yield sql_data
